#include <stdio.h>
int main()
{
  float a, b, c, t;
  scanf("%f,%f,%f", &a, &b, &c);
  if (a > b)
  {
    t = a;
    a = b;
    b = t;
  } // 实现a和b的互换
  if (a > c)
  {
    t = a;
    a = c;
    c = t;
  } // 实现a和c的互换
  if (b > c)
  {
    t = b;
    b = c;
    c = t;
  } // 实现b和c的互换
  printf("%5.2f,%5.2f,%5.2f\n", a, b, c);
  return 0;
}
